In today’s digital age, disaster recovery is crucial to business continuity planning. The ability to quickly restore operations after a catastrophic failure—a hardware malfunction, data corruption, or a cyber attack—can mean the difference between a minor inconvenience and a major loss. Open-source tools have emerged as invaluable resources for implementing and managing disaster recovery strategies. They provide flexible, scalable, and cost-effective solutions to ensure that data and services can be restored quickly and efficiently. As the importance of disaster recovery continues to grow, the demand for reliable open-source tools has surged. Organizations are constantly searching for tools to help them build resilient infrastructures that can withstand disruptions. This post will highlight nine essential open-source tools to enhance your efforts.

1. Bacula

Bacula is a powerful open-source backup and recovery tool. It is designed to handle small and large-scale recovery operations and supports various types of storage devices. Bacula allows you to schedule backups, automate the recovery process, and monitor the status of your backups, making it a comprehensive solution for disaster recovery.

2. Clonezilla

Clonezilla is a free and open-source disk imaging tool. It allows you to clone and backup entire disk partitions and supports many file systems. With Clonezilla, you can restore systems quickly in case of a disaster, ensuring minimal downtime. It’s an excellent choice for businesses seeking an efficient disaster recovery solution.

3. Amanda

Amanda (Advanced Maryland Automatic Network Disk Archiver) is an open-source solution that allows data to be backed up from multiple machines to a single server. It’s designed to handle local and network-based backups, providing flexibility in disaster recovery strategies. Amanda supports various platforms and can be configured to automate backup operations.

4. Duplicity

Duplicity is an encrypted bandwidth-efficient backup solution that supports incremental backups to local and remote storage locations. It allows you to securely store and recover data in case of a disaster. Duplicity’s encryption and compression features make it ideal for organizations prioritizing data security as part of their disaster recovery plan.

5. Zmanda Recovery Manager (ZRM)

Zmanda Recovery Manager (ZRM) is an open-source disaster recovery tool specifically for MySQL databases. It automates the backup and restore processes and allows users to create disaster recovery plans tailored to their database environments. ZRM supports point-in-time recovery, ensuring you can recover to the most recent state before a disaster occurs.

6. DRBD

DRBD (Distributed Replicated Block Device) is an open-source distributed storage system that is highly available and can be used for recovery. It mirrors data between multiple systems to ensure a replica of your data is always available. DRBD is particularly useful for ensuring continuous availability in the event of a hardware failure.

7. Kubernetes Velero

Velero is an open-source tool designed specifically for Kubernetes clusters. It allows you to back up and restore your entire cluster, including persistent volumes. Velero is critical for quick recovery in Kubernetes environments, enabling you to quickly recover from cluster outages or data loss.

8. Restic

Restic is an open-source backup tool that is fast, secure, and efficient. It supports encryption, deduplication, and incremental backups, making it a powerful tool for disaster recovery. Restic supports a wide range of storage backends, ensuring your data can be stored safely and retrieved quickly.

9. Rsync

Rsync is a versatile open-source utility for efficiently transferring and synchronizing files across systems. It’s commonly used for disaster recovery because it mirrors files and directories between servers in real time. Rsync ensures that your data is always available and up-to-date, even in the face of unexpected disruptions.

10. Simplyblock

Simplyblock provides advanced features for disaster recovery, whether talking about a lost availability zone, a region outage, or a widespread and successful ransomware attack. By utilizing a block-level write-ahead log (WAL), simplyblock enables fast, near-zero RPO disaster recovery for individual logical devices or whole infrastructures.

Why Choose Simplyblock for Disaster Recovery?

While security tools help detect and prevent attacks, modern organizations need a reliable safety net for when breaches occur. This is where simplyblock’s specialized disaster recovery approach creates unique value:

Zero Data Loss Assurance

Simplyblock ensures business continuity through automated backup and synchronization between multiple data centers. By implementing continuous data protection with near-zero RPO (Recovery Point Objective), organizations can maintain up-to-the-minute copies of their critical data, minimizing potential losses during a disaster or attack.

Near-Zero Downtime Recovery

In the event of a site failure or cyber attack, simplyblock enables rapid failover to secondary sites with near-zero RTO (Recovery Time Objective). The platform’s automated failover capabilities ensure minimal disruption to business operations, allowing you to maintain service availability even during major incidents.

Infrastructure-Agnostic Protection

Simplyblock’s approach to disaster recovery works across different infrastructure environments and data types. Whether protecting against ransomware, natural disasters, or system failures, the platform provides consistent, reliable recovery capabilities without the complexity of traditional DR solutions.

How to Optimize Disaster Recovery and Backup with Open-source Tools

This guide explored nine essential open-source tools for monitoring and managing threats to your data infrastructure. While these tools excel at different aspects of security – from vulnerability scanning to intrusion detection – implementing a comprehensive disaster recovery strategy remains crucial. Security tools provide the first line of defense, but robust backup and recovery capabilities ensure business continuity even when those defenses are breached.

If you’re looking to further streamline your disaster recovery efforts, simplyblock offers comprehensive solutions that integrate seamlessly with these tools, helping you get the most out of your recovery plan.

Ready to optimize your disaster recovery strategy? Contact simplyblock today to learn how we can help you build a resilient, high-performance solution tailored to your needs.

The post Best Open Source Tools for Disaster Recovery appeared first on simplyblock.

In preparation for KubeCon + CloudNativeCon, we at simplyblock figured it was essential to create a guide beyond the conference halls, highlighting the best spots to truly experience Salt Lake City. As a remote only company, we believe this short escapade, with the chance to get the team together, shouldn’t just be about work but also enjoying the local culture, food, and fun. But we’re not the gatekeeping type over here, so we want to share this guide with you in the hope to inspire you to make the most of your time there. After all, work hard, play hard—that’s our motto, and we hope you’ll join us in embracing both during the conference.

Salt Lake City’s TRAX system is your go-to for easily navigating the city. The straightforward routes and convenient stops make it a breeze to get around, much like finding the right Kubernetes pod. Grab a day pass for unlimited travel, and you’ll be ready to explore the city without any detours. To make your journey even smoother, check out this link for all the details on how to ride TRAX, including tips on routes, stops, and purchasing passes.

Here’s a link to the Google Maps location for all the places to make it more convenient.

By the way, you might see us at one of these places, so don’t be shy about greeting us. The worst we can do is improve your storage efficiency. Alright, I’ll stop pitching, read on and make your plans!

🏛️ Landmark Highlights

Salt Lake City is rich in history and architecture, with several landmarks to explore. Don’t miss the Cathedral of the Madeleine (1) ( maps ), a beautiful example of Romanesque and Gothic Revival design. Inside, admire vibrant stained glass, intricate woodwork, and serene murals. Whether attending a service or simply enjoying the peaceful atmosphere, it’s a must-visit spot in the city.

Secondly, don’t miss the Utah State Capitol (2) ( maps ), a stunning architectural landmark perched on Capitol Hill. This neoclassical building offers free guided tours and breathtaking views of Salt Lake City and the surrounding mountains. Inside, explore the rich history of Utah through various exhibits, and enjoy the peaceful ambiance of the beautifully landscaped grounds, perfect for a leisurely stroll.

❄️ Winter Thrills

Salt Lake City isn’t just a hub for tech enthusiasts during KubeCon + CloudNativeCon—it’s also a vibrant winter wonderland that offers something for everyone. After you’ve tackled all the conference sessions, why not unwind by ice skating at the Gallivan Center ? (3) ( Maps ) This charming downtown rink is a perfect way to enjoy the festive atmosphere—just remember to bundle up, because even tech pros feel the chill!

For a more serene experience, visit Temple Square (4) ( Maps ), which turns into a dazzling holiday light display in the winter—think of it as a peaceful stroll through a winter wonderland that’ll definitely brighten your day.

🍽️ Food Adventures Await

Heading to KubeCon + CloudNativeCon in Salt Lake City and eager to dive into the local food scene? We’ve got you covered with some of the city’s top dining spots, each offering a unique taste of Salt Lake’s diverse culinary landscape. For authentic Mexican cuisine, head to Red Iguana **** (5) **** ( Maps ), famous for its rich and flavorful moles that will keep you coming back for more. If you’re in the mood for a contemporary twist on American classics, The Copper Onion (6) ( Maps ) serves up bold, locally sourced dishes like succulent pork belly and house-made pastas. For sushi lovers, Takashi (7) ( Maps ) is a must-visit, offering fresh, innovative rolls and sashimi that rival coastal cities.

HSL (8) ( Maps ) provides a chic yet cozy atmosphere with modern American dishes like roasted chicken with seasonal veggies, perfect for unwinding after a day of sessions. And when you need a coffee break, The Rose Establishment (9) ( Maps ) is your go-to spot for quality coffee and artisanal pastries—a cozy hideaway to recharge between conference activities.

🍻 Don’t Forget to Enjoy the Night

Looking for the perfect spot to unwind after a day at KubeCon + CloudNativeCon in Salt Lake City? Here are some top picks for a fun and relaxing evening. Start with The Red Door (10) ( Maps ), a cozy lounge with a speakeasy vibe, where you can sip on craft cocktails and decompress after all the tech talk.

If you’re in the mood for some nostalgia, head to Quarters Arcade Bar (11) ( Maps ), where you can relive your childhood with classic arcade games while enjoying a drink. For craft beer enthusiasts, Beer Bar (12) ( Maps ) offers a wide selection of local brews in a laid-back atmosphere, making it an ideal spot to kick back with colleagues.

Whiskey Street (13) ( Maps ) is the place for those who appreciate a good whiskey. Its extensive selection, lively atmosphere, and perfect blend of elegance and comfort make it a great spot to enjoy expertly crafted cocktails and delicious food.

⛷ Salt Lake Ski Resorts

Salt Lake City is the ultimate destination for skiing in November, thanks to its unique combination of weather, terrain, and resort accessibility. Nestled at the base of the Wasatch Mountains (worth visiting the area in and of itself), Salt Lake benefits from early-season snowfalls that blanket the region’s world-renowned ski resorts, often making them operational as early as mid-November. The area’s terrain is diverse – ranging from steep and challenging slopes for experts to wide and groomed runs perfect for beginners, ensuring a tailored experience for every skier.

Moreover, Salt Lake City is just a short drive from over 10 major ski resorts , making it incredibly convenient for visitors to access top-tier slopes without long travel times. The efficient transport system, in the form of the ski bus can help you travel to and enjoy all the different ski slopes. If you don’t want to travel by bus, there are multiple options here to pick from. In addition to this, you might also want to check out the bundled pricing (with additional perks) for ski resorts.

This may be subjective, but according to our highly adept (world-class) skiing experts at simplyblock, we have come up with the list of the top 5 resorts that you may want to visit:

These are more for the experienced, and you can get a bundled pass for both here (also known to be in an area called Little Cottonwood):

Alta Ski Area ( Maps ): Alta Ski Area, one of the first ski areas in the U.S., is renowned for its steep terrain and deep powder, averaging 546 inches of snow annually. Covering 2,614 acres with a 2,538-foot vertical drop, 45% of the terrain caters to beginner and intermediate skiers. Six lifts provide access to its varied slopes, making it a top destination for experienced skiers. However, you can find multiple resorts in the Alta ski area, our favorite pick is Snowpine lodge ( Maps ). You can view the prices here . Snowbird Resort ( Maps ): Snowbird’s top elevation is 11,000 feet at Hidden Peak, with a 7,760-foot base at Baby Thunder. The resort’s tram ascends 2,900 vertical feet in just 7 minutes. It gets 500 inches of dry Utah powder annually. SKIING Magazine has ranked Alta and Snowbird the No. 1 resort in the United States. You can view the prices here .

These are more for fun and the beginner (also known to be in an area called Big Cottonwood):

Brighton Resort (Maps): Brighton Resort offers 1,050 acres of skiable terrain with a 1,745-foot vertical drop. Receiving 500 inches of snow annually, Brighton is family-friendly and accessible, with 66 runs and lifts that include five quads, a triple, and a magic carpet. Night skiing is available on 200 acres, making it a well-rounded destination just 35 miles from Salt Lake City. You can view the prices here . Solitude Resort ( Maps ): Solitude Mountain Resort spans 1,200 acres with a 2,494-foot vertical drop and receives 500 inches of snow each year. With 87 runs catering to all skill levels, the resort offers a peaceful skiing experience. Its eight lifts, including four high-speed quads, provide quick access to varied terrain, from groomed runs to powder-filled glades, making Solitude an ideal escape for skiers of all levels. You can view the prices here .

And a bonus tubing and skiing location, the home of the 2002 Winter Olympics:

Soldier hollow Nordic Centre (Maps): Nestled in Wasatch Mountain State Park, Soldier Hollow is famous for its Olympic legacy and offers over 20 miles of cross-country skiing trails through scenic landscapes. It’s a winter paradise for both athletes and the public, with activities like cross-country skiing, snowshoeing, and even public biathlon courses. A highlight is the snow tubing lanes, the longest in Utah, stretching over 1,200 feet. The day lodge provides ski rentals and food, making it an ideal spot for a winter retreat and family fun. We think Zermatt Utah Resort ( Maps ) is relatively close and reasonable. You can find the locations of all of the skiing resorts below and on this map list:

📜 Closing Note

If you’re attending KubeCon + CloudNativeCon NA 2024 in Salt Lake City, we’re excited to let you know that simplyblock will be there too!

Simplyblock offers cutting-edge storage orchestration solutions tailored for IO-intensive stateful workloads in Kubernetes, including databases and analytics. A single system seamlessly connects local NVMe disks, GP3 volumes, and S3, making it easier to manage storage capacity and performance. With smart NVMe caching, thin provisioning, storage tiering, and volume pooling, we enhance database performance while reducing costs—all without requiring changes to your existing AWS infrastructure.

We invite you to visit the simplyblock booth at the event! Swing by to learn more about how we can optimize your storage solutions and pick up some exclusive freebies. We can’t wait to meet you and discuss how we can help improve your Kubernetes experience. See you there!

The post KubeCon + CloudNativeCon NA 2024: Your Salt Lake City Guide appeared first on simplyblock.

Amazon EBS, Amazon S3, and Local Instance Storage

AWS’ cloud block storage ( Amazon EBS ) is a great product, providing a multitude of different product types depending on your performance (random IOPS, access latency) requirements. However, the provided durability is limited. Depending on the EBS volume type , AWS provides a durability indicator between 99.8% and 99.999%. The bigger issue though, in case of a disaster in your availability zone (AZ), storage will become unavailable in its entirety and, depending on the type of the disaster, data may actually be lost (partially or in full).

The durability is even worse with local instance storage. Local instance storage are NVMe disks which are physically located on the virtual machine host that runs your workload. That said, all data stored on local instance storage is immediately lost once the instance is turned off, or a failure occurs with the physical host.

Amazon S3 storage, on the other hand, is considered to be extremely durable, offering 99.999999999% durability. In addition, it is replicated across availability zones. Therefore, the probability of data loss by any kind of disaster is close to zero. To our knowledge, and as of time of writing, it has never actually happened. In terms of durability, Amazon S3 is king.We trade, however, durability for latency.

Data Protection for Amazon EBS

As shown, all persistent (meaning, non ephemeral) data stored in Amazon EBS requires additional means of protection. That said, the most common way to protect your data is taking a snapshot of your EBS volume and backing it up to Amazon S3.

Those S3 backups have a number of important drawbacks though: A snapshot-based backup always implicitly means that you’ll have data loss of some kind. Data which has been written between the last backup and the time of the failure is irrecoverably lost. No restore procedure will be able to recover it. For low velocity data (data which is rarely changed) that may be a minor issue. Examples of this kind of data may be media files or archived documents. However, the data loss can be catastrophic for other types of data such as transactional systems. Multiple backups between different systems aren’t consistent between each other. The backup of one database may not fit the backup of another database or a file repository. That said, after restoration the systems may have inconsistent data states and will not integrate correctly. Bringing a collection of systems with backups taken at different times back into a working state can be a massive manual effort. Sometimes it is even impossible. Backup management is a significant effort. To free up disk space, it is necessary to remove snapshots from EBS after moving them to S3. Furthermore, backups have to be configured with retention policies. The successful operations of taking backups must be monitored and backups have to be tested regularly to make sure it is possible to restore them successfully.

Last but not least, human error in backup management may lead to missing or corrupted backups.

Data Protection for Amazon EBS with Simplyblock

Simplyblock provides a smart solution to the consistent recovery of hot data after a major incident or even a zone-level disaster.

First and foremost, simplyblock logical volumes stores data synchronously into the hot tier storage backend. In addition, data is also written into an asynchronous replicated write-ahead log (WAL). Writing this log is optimized for high throughput to secondary (low IOPS) storage such as S3 or HDD pools (e.g. the Amazon EBS st2 service). Last but not least, the WAL is efficiently compacted at regular intervals to limit storage growth and optimize recovery times.

Simplyblock’s logical volumes inherently support snapshots. Due to the copy-on-write nature of simplyblock, snapshots are taken immediately and, together with the WAL, asynchronously replicated to S3.

Data recovery, on the other hand, restores all live volumes and snapshots in a fully consistent manner. The asynchronicity of the replication limits data loss to a few hundred milliseconds.

Disaster Recovery with Near-Zero RPO

The solution stores all “hot” data either in distributed instance storage or within gp3 pools, providing the necessary online performance of storage. At the same time, all data is also asynchronously replicated into S3.

In case of a loss of the entire infrastructure in an availability zone (including the gp3 volumes and local instance storage) it is possible to consistently bootstrap the entire environment in a new AZ.

If a customer uses simplyblock to store the databases, but also bootstrap and deployment information (like ArgoCD configuration, terraform data, or similar), a recover operation can consistently restore the entirety of the infrastructure from ground up. Using this strategy, infrastructures supported by simplyblock can be consistently and fully automatically recovered with near-zero RPO and a low RTO becomes possible.

For this purpose, the “primary” simplyblock storage pod, which contains all data required for bootstrapping, has to be restarted in a new zone and connected to the control plane. Afterwards, all storage is consistently accessible.

First, infrastructure templates and configurations for the environment are retrieved, after which the deployment scripts are run and the infrastructure is redeployed. In this process, databases, documents, and other file stores can already be connected to their corresponding volumes, which contain all of the data in a crash-consistent manner.

At a later stage, “secondary” storage plane pods can be restarted within the new availability zone and data will be recovered.

The recovery time depends largely on the amount of data and the instance network bandwidth. The read time from S3 is highly optimized using large, parallel reads, wherever possible to pre-fetch hot data as quickly as possible.

Conclusion

All that said, simplyblock, the intelligent storage orchestrator, provides a powerful and feature-rich solution to provide a crash-consistent, yet performant storage solution.

Built upon well-known storage solutions, such as local instance storage, Amazon EBS, and Amazon S3, simplyblock combines the ultra low latency access of NVMe volumes (pooled or unpooled) with the extreme durability of Amazon S3. Simplyblock’s write-ahead log and disaster recovery support enables the lowest RPO and minimal downtime, even in case of the loss of a full availability zone.

Get started with simplyblock today and learn all about the other amazing features simplyblock brings right to you.

The post Disaster Recovery with Simplyblock in AWS appeared first on simplyblock.